tunneller
Digs through earth
A tunneller is one who digs tunnels—whether a construction worker excavating underground passages, a soldier creating military fortifications, or an animal that burrows.
The British spelling uses -ller; American English typically spells it tunneler.
The tunnellers worked in shifts around the clock to complete the subway line.
Subterranean insectivore
- burrowAnimal's dug dwelling
- diggingRemoving earth below
- clawsAnimal gripping nails
- undergroundBelow ground or countercultural
soil · earthworms · snout · velvet · fur · insectivore · solitary · nesting
Subterranean insectivore
- infiltratorOne who enters covertly
- spyCovert information gatherer
- undercoverSecretly engaged in espionage
- covertIntentionally concealed
intelligence · double agent · sleeper · handler · defector · surveillance · clandestine · operative
Military construction soldier
- trenchLong narrow excavation
- mineOre excavation site
- warfareArmed conflict between groups
- siegeEncirclement forcing surrender
explosive · fortification · undermining · countermine · WWI · no-man's-land · demolition · engineering corps
Failing to engage interest
- excavationAct of unearthing
- drillHole-boring device
- shaftNarrow vertical passage
- TBMUnderground excavation equipment
cutterhead · lining · segment · spoil · breakthrough · alignment · grout · muck
mole
Subterranean insectivore
underground · soil · earthworms · snout · velvet · fur · insectivore · solitary · nesting · foraging
mole
Subterranean insectivore
- infiltratorOne who enters covertly
- spyCovert information gatherer
- undercoverSecretly engaged in espionage
covert · intelligence · double agent · sleeper · handler · defector · surveillance · clandestine · operative
sapper
Military construction soldier
siege · explosive · fortification · undermining · countermine · WWI · no-man's-land · demolition · engineering corps · infiltration
boring
Failing to engage interest
- excavationAct of unearthing
- drillHole-boring device
- shaftNarrow vertical passage
TBM · cutterhead · lining · segment · spoil · breakthrough · alignment · grout · muck · heading
- quantum tunnellingWave-like particles crossing forbidden barriers